市面(mian)上的(de)(de)防潮墊(dian)(dian)種(zhong)類不(bu)(bu)少(shao),采購前了解一(yi)(yi)(yi)(yi)(yi)下(xia)(xia)它們的(de)(de)特點(dian)并不(bu)(bu)費(fei)時。充(chong)氣墊(dian)(dian)(AirMattresses):優(you)點(dian):不(bu)(bu)用(yong)(yong)說,肯定(ding)舒(shu)(shu)服,而(er)且可(ke)(ke)(ke)調節柔(rou)軟度,價錢也不(bu)(bu)貴。缺點(dian):太(tai)重(zhong)、太(tai)大、而(er)且容易弄(nong)破。空氣墊(dian)(dian)也不(bu)(bu)能(neng)提供良(liang)好的(de)(de)保溫(wen)。此外,對肺活量也有(you)很大的(de)(de)要(yao)(yao)求。(需(xu)用(yong)(yong)嘴來吹(chui)氣。)開放氣室式(shi)(shi)(Open-cellFoamPads):由一(yi)(yi)(yi)(yi)(yi)種(zhong)象海(hai)面(mian)一(yi)(yi)(yi)(yi)(yi)樣(yang)(yang)的(de)(de)泡沫材料制(zhi)成(cheng)。優(you)點(dian):比充(chong)氣式(shi)(shi)更舒(shu)(shu)適、重(zhong)量更輕、更便宜、更保暖。而(er)且較(jiao)重(zhong)、壓縮性也較(jiao)差(cha)(不(bu)(bu)宜攜帶)、使(shi)(shi)用(yong)(yong)壽命也較(jiao)短(duan)。 首先必須考(kao)(kao)慮暖度、重(zhong)量、舒(shu)(shu)適度、耐用(yong)(yong)性和大小等(deng)依(yi)次重(zhong)要(yao)(yao)。其次要(yao)(yao)考(kao)(kao)慮個人(ren)的(de)(de)主要(yao)(yao)用(yong)(yong)途。一(yi)(yi)(yi)(yi)(yi)個戶(hu)外愛好者(zhe)可(ke)(ke)(ke)能(neng)會擁有(you)適應(ying)不(bu)(bu)同(tong)(tong)環境的(de)(de)幾種(zhong)防潮墊(dian)(dian)。就象買其他東(dong)西一(yi)(yi)(yi)(yi)(yi)樣(yang)(yang),購買戶(hu)外裝備有(you)時也會讓后悔(hui),因為實在(zai)有(you)太(tai)多的(de)(de)東(dong)西需(xu)要(yao)(yao)考(kao)(kao)慮,對每一(yi)(yi)(yi)(yi)(yi)樣(yang)(yang)東(dong)西都會有(you)很多要(yao)(yao)求,而(er)在(zai)大部分情(qing)況下(xia)(xia),所有(you)的(de)(de)要(yao)(yao)求不(bu)(bu)可(ke)(ke)(ke)能(neng)同(tong)(tong)時得到滿足。選擇(ze)(ze)防潮墊(dian)(dian)也一(yi)(yi)(yi)(yi)(yi)樣(yang)(yang),有(you)許多需(xu)要(yao)(yao)考(kao)(kao)慮:絕緣性(隔絕身(shen)體(ti)與(yu)地(di)面(mian)熱交換(huan)的(de)(de)能(neng)力)舒(shu)(shu)適性重(zhong)量、體(ti)積耐用(yong)(yong)性從以(yi)上條件中做出選擇(ze)(ze)對來說很重(zhong)要(yao)(yao),而(er)考(kao)(kao)慮一(yi)(yi)(yi)(yi)(yi)下(xia)(xia)戶(hu)外計(ji)劃可(ke)(ke)(ke)能(neng)對很有(you)幫助。最后,一(yi)(yi)(yi)(yi)(yi)些附(fu)屬設計(ji)可(ke)(ke)(ke)能(neng)會影(ying)響(xiang)決定(ding)。比如,一(yi)(yi)(yi)(yi)(yi)些防潮墊(dian)(dian)有(you)多重(zhong)可(ke)(ke)(ke)充(chong)氣氣室,使(shi)(shi)得防潮墊(dian)(dian)的(de)(de)厚(hou)度更容易調節;多個墊(dian)(dian)子可(ke)(ke)(ke)拼(pin)接一(yi)(yi)(yi)(yi)(yi)起;通(tong)過配件可(ke)(ke)(ke)將(jiang)充(chong)氣墊(dian)(dian)改成(cheng)椅子;等(deng)等(deng)。